package cn.lix.sc.rpc.oauth2.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true, jsr250Enabled = true)
public class WebSecurityConfiguration extends WebSecurityConfigurerAdapter {

    @Qualifier("userDetailsServiceImpl")
    @Autowired
    private UserDetailsService userDetailsService;
    /**
     * 配置密码加密方式
     * @return
     */
    @Bean
    public BCryptPasswordEncoder passwordEncoder() {
        // 设置默认的加密方式
        return new BCryptPasswordEncoder();
    }

    /**
     * 配置认证信息
     * @param auth
     * @throws Exception
     */
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService);
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http    // 配置登陆页/login并允许访问
                .formLogin().permitAll()
                // 登出页
                .and().logout().logoutUrl("/logout").logoutSuccessUrl("/")
                // 其余所有请求全部需要鉴权认证
                .and().authorizeRequests().anyRequest().authenticated()
                // 由于使用的是JWT，我们这里不需要csrf
                .and().csrf().disable();
    }


    @Override
    public void configure(WebSecurity web) throws Exception {
        // 将 check_token 暴露出去，否则资源服务器访问时报 403 错误
        web.ignoring().antMatchers("/oauth/check_token");
    }


}
